<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.global.js"></script>
    <style>
        .demo {
            font-family: sans-serif;
            border: 1px solid #eee;
            border-radius: 2px;
            padding: 20px 30px;
            margin-top: 1em;
            margin-bottom: 40px;
            user-select: none;
            overflow-x: auto;
        }

        .tab-button {
            padding: 6px 10px;
            border-top-left-radius: 3px;
            border-top-right-radius: 3px;
            border: 1px solid #ccc;
            cursor: pointer;
            background: #f0f0f0;
            margin-bottom: -1px;
            margin-right: -1px;
        }

        .tab-button:hover {
            background: #e0e0e0;
        }

        .tab-button.active {
            background: #e0e0e0;
        }

        .demo-tab {
            border: 1px solid #ccc;
            padding: 10px;
        }
    </style>
</head>

<body>
    <div id="dynamic-component-demo" class="demo">
        <button v-for="tab in tabs" v-bind:key="tab" v-bind:class="['tab-button', { active: currentTab === tab }]"
            v-on:click="currentTab = tab">
            {{ tab }}
        </button>

        <!-- 动态加载不同组件 -->
        <component :is="currentTabComponent" class="tab"></component>

    </div>

    <script>
        const app = Vue.createApp({
            data() {
                return {
                    currentTab: 'Home',
                    tabs: ['Home', 'Posts', 'Archive']
                }
            },
            computed: {
                currentTabComponent() {
                    return 'tab-' + this.currentTab.toLowerCase()
                }
            }
        })

        app.component('tab-home', {
            template: `<div class="demo-tab">Home component</div>`
        })
        app.component('tab-posts', {
            template: `<div class="demo-tab">Posts component</div>`
        })
        app.component('tab-archive', {
            template: `<div class="demo-tab">Archive component</div>`
        })

        app.mount('#dynamic-component-demo')
    </script>
</body>

</html>